1 /*- 2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> 4 * Copyright (c) 2000 BSDi 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _ACPIVAR_H_ 30 #define _ACPIVAR_H_ 31 32 #ifdef _KERNEL 33 34 #include "acpi_if.h" 35 #include "bus_if.h" 36 #include <sys/_eventhandler.h> 37 #ifdef INTRNG 38 #include <sys/intr.h> 39 #endif 40 #include <sys/ktr.h> 41 #include <sys/lock.h> 42 #include <sys/mutex.h> 43 #include <sys/selinfo.h> 44 #include <sys/sx.h> 45 #include <sys/sysctl.h> 46 47 #include <machine/bus.h> 48 #include <machine/resource.h> 49 50 struct apm_clone_data; 51 struct acpi_softc { 52 device_t acpi_dev; 53 struct cdev *acpi_dev_t; 54 55 int acpi_enabled; 56 int acpi_sstate; 57 int acpi_sleep_disabled; 58 59 struct sysctl_ctx_list acpi_sysctl_ctx; 60 struct sysctl_oid *acpi_sysctl_tree; 61 int acpi_power_button_sx; 62 int acpi_sleep_button_sx; 63 int acpi_lid_switch_sx; 64 65 int acpi_standby_sx; 66 int acpi_suspend_sx; 67 68 int acpi_sleep_delay; 69 int acpi_s4bios; 70 int acpi_do_disable; 71 int acpi_verbose; 72 int acpi_handle_reboot; 73 74 vm_offset_t acpi_wakeaddr; 75 vm_paddr_t acpi_wakephys; 76 77 int acpi_next_sstate; /* Next suspend Sx state. */ 78 struct apm_clone_data *acpi_clone; /* Pseudo-dev for devd(8). */ 79 STAILQ_HEAD(,apm_clone_data) apm_cdevs; /* All apm/apmctl/acpi cdevs. */ 80 struct callout susp_force_to; /* Force suspend if no acks. */ 81 82 /* System Resources */ 83 struct resource_list sysres_rl; 84 }; 85 86 struct acpi_device { 87 /* ACPI ivars */ 88 ACPI_HANDLE ad_handle; 89 void *ad_private; 90 int ad_flags; 91 int ad_cls_class; 92 int ad_domain; 93 94 ACPI_BUFFER dsd; /* Device Specific Data */ 95 const ACPI_OBJECT *dsd_pkg; 96 97 /* Resources */ 98 struct resource_list ad_rl; 99 }; 100 101 #ifdef INTRNG 102 struct intr_map_data_acpi { 103 struct intr_map_data hdr; 104 u_int irq; 105 u_int pol; 106 u_int trig; 107 }; 108 109 #endif 110 111 /* Track device (/dev/{apm,apmctl} and /dev/acpi) notification status. */ 112 struct apm_clone_data { 113 STAILQ_ENTRY(apm_clone_data) entries; 114 struct cdev *cdev; 115 int flags; 116 #define ACPI_EVF_NONE 0 /* /dev/apm semantics */ 117 #define ACPI_EVF_DEVD 1 /* /dev/acpi is handled via devd(8) */ 118 #define ACPI_EVF_WRITE 2 /* Device instance is opened writable. */ 119 int notify_status; 120 #define APM_EV_NONE 0 /* Device not yet aware of pending sleep. */ 121 #define APM_EV_NOTIFIED 1 /* Device saw next sleep state. */ 122 #define APM_EV_ACKED 2 /* Device agreed sleep can occur. */ 123 struct acpi_softc *acpi_sc; 124 struct selinfo sel_read; 125 }; 126 127 #define ACPI_PRW_MAX_POWERRES 8 128 129 struct acpi_prw_data { 130 ACPI_HANDLE gpe_handle; 131 int gpe_bit; 132 int lowest_wake; 133 ACPI_OBJECT power_res[ACPI_PRW_MAX_POWERRES]; 134 int power_res_count; 135 }; 136 137 /* Flags for each device defined in the AML namespace. */ 138 #define ACPI_FLAG_WAKE_ENABLED 0x1 139 140 /* Macros for extracting parts of a PCI address from an _ADR value. */ 141 #define ACPI_ADR_PCI_SLOT(adr) (((adr) & 0xffff0000) >> 16) 142 #define ACPI_ADR_PCI_FUNC(adr) ((adr) & 0xffff) 143 144 /* 145 * Entry points to ACPI from above are global functions defined in this 146 * file, sysctls, and I/O on the control device. Entry points from below 147 * are interrupts (the SCI), notifies, task queue threads, and the thermal 148 * zone polling thread. 149 * 150 * ACPI tables and global shared data are protected by a global lock 151 * (acpi_mutex). 152 * 153 * Each ACPI device can have its own driver-specific mutex for protecting 154 * shared access to local data. The ACPI_LOCK macros handle mutexes. 155 * 156 * Drivers that need to serialize access to functions (e.g., to route 157 * interrupts, get/set control paths, etc.) should use the sx lock macros 158 * (ACPI_SERIAL). 159 * 160 * ACPI-CA handles its own locking and should not be called with locks held. 161 * 162 * The most complicated path is: 163 * GPE -> EC runs _Qxx -> _Qxx reads EC space -> GPE 164 */ 165 extern struct mtx acpi_mutex; 166 #define ACPI_LOCK(sys) mtx_lock(&sys##_mutex) 167 #define ACPI_UNLOCK(sys) mtx_unlock(&sys##_mutex) 168 #define ACPI_LOCK_ASSERT(sys) mtx_assert(&sys##_mutex, MA_OWNED); 169 #define ACPI_LOCK_DECL(sys, name) \ 170 static struct mtx sys##_mutex; \ 171 MTX_SYSINIT(sys##_mutex, &sys##_mutex, name, MTX_DEF) 172 #define ACPI_SERIAL_BEGIN(sys) sx_xlock(&sys##_sxlock) 173 #define ACPI_SERIAL_END(sys) sx_xunlock(&sys##_sxlock) 174 #define ACPI_SERIAL_ASSERT(sys) sx_assert(&sys##_sxlock, SX_XLOCKED); 175 #define ACPI_SERIAL_DECL(sys, name) \ 176 static struct sx sys##_sxlock; \ 177 SX_SYSINIT(sys##_sxlock, &sys##_sxlock, name) 178 179 /* 180 * ACPI CA does not define layers for non-ACPI CA drivers. 181 * We define some here within the range provided. 182 */ 183 #define ACPI_AC_ADAPTER 0x00010000 184 #define ACPI_BATTERY 0x00020000 185 #define ACPI_BUS 0x00040000 186 #define ACPI_BUTTON 0x00080000 187 #define ACPI_EC 0x00100000 188 #define ACPI_FAN 0x00200000 189 #define ACPI_POWERRES 0x00400000 190 #define ACPI_PROCESSOR 0x00800000 191 #define ACPI_THERMAL 0x01000000 192 #define ACPI_TIMER 0x02000000 193 #define ACPI_OEM 0x04000000 194 195 /* 196 * Constants for different interrupt models used with acpi_SetIntrModel(). 197 */ 198 #define ACPI_INTR_PIC 0 199 #define ACPI_INTR_APIC 1 200 #define ACPI_INTR_SAPIC 2 201 202 /* 203 * Various features and capabilities for the acpi_get_features() method. 204 * In particular, these are used for the ACPI 3.0 _PDC and _OSC methods. 205 * See the Intel document titled "Intel Processor Vendor-Specific ACPI", 206 * number 302223-007. 207 */ 208 #define ACPI_CAP_PERF_MSRS (1 << 0) /* Intel SpeedStep PERF_CTL MSRs */ 209 #define ACPI_CAP_C1_IO_HALT (1 << 1) /* Intel C1 "IO then halt" sequence */ 210 #define ACPI_CAP_THR_MSRS (1 << 2) /* Intel OnDemand throttling MSRs */ 211 #define ACPI_CAP_SMP_SAME (1 << 3) /* MP C1, Px, and Tx (all the same) */ 212 #define ACPI_CAP_SMP_SAME_C3 (1 << 4) /* MP C2 and C3 (all the same) */ 213 #define ACPI_CAP_SMP_DIFF_PX (1 << 5) /* MP Px (different, using _PSD) */ 214 #define ACPI_CAP_SMP_DIFF_CX (1 << 6) /* MP Cx (different, using _CSD) */ 215 #define ACPI_CAP_SMP_DIFF_TX (1 << 7) /* MP Tx (different, using _TSD) */ 216 #define ACPI_CAP_SMP_C1_NATIVE (1 << 8) /* MP C1 support other than halt */ 217 #define ACPI_CAP_SMP_C3_NATIVE (1 << 9) /* MP C2 and C3 support */ 218 #define ACPI_CAP_PX_HW_COORD (1 << 11) /* Intel P-state HW coordination */ 219 #define ACPI_CAP_INTR_CPPC (1 << 12) /* Native Interrupt Handling for 220 Collaborative Processor Performance Control notifications */ 221 #define ACPI_CAP_HW_DUTY_C (1 << 13) /* Hardware Duty Cycling */ 222 223 /* 224 * Quirk flags. 225 * 226 * ACPI_Q_BROKEN: Disables all ACPI support. 227 * ACPI_Q_TIMER: Disables support for the ACPI timer. 228 * ACPI_Q_MADT_IRQ0: Specifies that ISA IRQ 0 is wired up to pin 0 of the 229 * first APIC and that the MADT should force that by ignoring the PC-AT 230 * compatible flag and ignoring overrides that redirect IRQ 0 to pin 2. 231 * ACPI_Q_AEI_NOPULL: Specifies that _AEI objects incorrectly designate pins 232 * as "PullUp" and they should be treated as "NoPull" instead. 233 */ 234 extern int acpi_quirks; 235 #define ACPI_Q_OK 0 236 #define ACPI_Q_BROKEN (1 << 0) 237 #define ACPI_Q_TIMER (1 << 1) 238 #define ACPI_Q_MADT_IRQ0 (1 << 2) 239 #define ACPI_Q_AEI_NOPULL (1 << 3) 240 241 #if defined(__amd64__) || defined(__i386__) 242 /* 243 * Certain Intel BIOSes have buggy AML that specify an IRQ that is 244 * edge-sensitive and active-lo. Normally, edge-sensitive IRQs should 245 * be active-hi. If this value is non-zero, edge-sensitive ISA IRQs 246 * are forced to be active-hi instead. At least some AMD systems use 247 * active-lo edge-sensitive ISA IRQs, so this setting is only enabled 248 * by default on systems with Intel CPUs. 249 */ 250 extern int acpi_override_isa_irq_polarity; 251 #endif 252 253 /* 254 * Plug and play information for device matching. Matching table format 255 * is compatible with ids parameter of ACPI_ID_PROBE bus method. 256 * 257 * XXX: While ACPI_ID_PROBE matches against _HID and all _CIDs, current 258 * acpi_pnpinfo() exports only _HID and first _CID. That means second 259 * and further _CIDs should be added to both acpi_pnpinfo() and 260 * ACPICOMPAT_PNP_INFO if device matching against them is required. 261 */ 262 #define ACPICOMPAT_PNP_INFO(t, busname) \ 263 MODULE_PNP_INFO("Z:_HID", busname, t##hid, t, nitems(t)-1); \ 264 MODULE_PNP_INFO("Z:_CID", busname, t##cid, t, nitems(t)-1); 265 #define ACPI_PNP_INFO(t) ACPICOMPAT_PNP_INFO(t, acpi) 266 267 /* 268 * Note that the low ivar values are reserved to provide 269 * interface compatibility with ISA drivers which can also 270 * attach to ACPI. 271 */ 272 #define ACPI_IVAR_HANDLE 0x100 273 #define ACPI_IVAR_UNUSED 0x101 /* Unused/reserved. */ 274 #define ACPI_IVAR_PRIVATE 0x102 275 #define ACPI_IVAR_FLAGS 0x103 276 #define ACPI_IVAR_DOMAIN 0x104 277 278 /* 279 * ad_domain NUMA domain special value. 280 */ 281 #define ACPI_DEV_DOMAIN_UNKNOWN (-1) 282 283 /* 284 * Accessor functions for our ivars. Default value for BUS_READ_IVAR is 285 * (type) 0. The <sys/bus.h> accessor functions don't check return values. 286 */ 287 #define __ACPI_BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ 288 \ 289 static __inline type varp ## _get_ ## var(device_t dev) \ 290 { \ 291 uintptr_t v = 0; \ 292 BUS_READ_IVAR(device_get_parent(dev), dev, \ 293 ivarp ## _IVAR_ ## ivar, &v); \ 294 return ((type) v); \ 295 } \ 296 \ 297 static __inline void varp ## _set_ ## var(device_t dev, type t) \ 298 { \ 299 uintptr_t v = (uintptr_t) t; \ 300 BUS_WRITE_IVAR(device_get_parent(dev), dev, \ 301 ivarp ## _IVAR_ ## ivar, v); \ 302 } 303 304 __ACPI_BUS_ACCESSOR(acpi, handle, ACPI, HANDLE, ACPI_HANDLE) 305 __ACPI_BUS_ACCESSOR(acpi, private, ACPI, PRIVATE, void *) 306 __ACPI_BUS_ACCESSOR(acpi, flags, ACPI, FLAGS, int) 307 __ACPI_BUS_ACCESSOR(acpi, domain, ACPI, DOMAIN, int) 308 309 void acpi_fake_objhandler(ACPI_HANDLE h, void *data); 310 static __inline device_t 311 acpi_get_device(ACPI_HANDLE handle) 312 { 313 void *dev = NULL; 314 AcpiGetData(handle, acpi_fake_objhandler, &dev); 315 return ((device_t)dev); 316 } 317 318 static __inline ACPI_OBJECT_TYPE 319 acpi_get_type(device_t dev) 320 { 321 ACPI_HANDLE h; 322 ACPI_OBJECT_TYPE t; 323 324 if ((h = acpi_get_handle(dev)) == NULL) 325 return (ACPI_TYPE_NOT_FOUND); 326 if (ACPI_FAILURE(AcpiGetType(h, &t))) 327 return (ACPI_TYPE_NOT_FOUND); 328 return (t); 329 } 330 331 /* Find the difference between two PM tick counts. */ 332 static __inline uint32_t 333 acpi_TimerDelta(uint32_t end, uint32_t start) 334 { 335 336 if (end < start && (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) == 0) 337 end |= 0x01000000; 338 return (end - start); 339 } 340 341 #ifdef ACPI_DEBUGGER 342 void acpi_EnterDebugger(void); 343 #endif 344 345 #ifdef ACPI_DEBUG 346 #include <sys/cons.h> 347 #define STEP(x) do {printf x, printf("\n"); cngetc();} while (0) 348 #else 349 #define STEP(x) 350 #endif 351 352 #define ACPI_VPRINT(dev, acpi_sc, x...) do { \ 353 if (acpi_get_verbose(acpi_sc)) \ 354 device_printf(dev, x); \ 355 } while (0) 356 357 /* Values for the first status word returned by _OSC. */ 358 #define ACPI_OSC_FAILURE (1 << 1) 359 #define ACPI_OSC_BAD_UUID (1 << 2) 360 #define ACPI_OSC_BAD_REVISION (1 << 3) 361 #define ACPI_OSC_CAPS_MASKED (1 << 4) 362 363 #define ACPI_DEVINFO_PRESENT(x, flags) \ 364 (((x) & (flags)) == (flags)) 365 #define ACPI_DEVICE_PRESENT(x) \ 366 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \ 367 ACPI_STA_DEVICE_FUNCTIONING) 368 #define ACPI_BATTERY_PRESENT(x) \ 369 ACPI_DEVINFO_PRESENT(x, ACPI_STA_DEVICE_PRESENT | \ 370 ACPI_STA_DEVICE_FUNCTIONING | ACPI_STA_BATTERY_PRESENT) 371 372 /* Callback function type for walking subtables within a table. */ 373 typedef void acpi_subtable_handler(ACPI_SUBTABLE_HEADER *, void *); 374 375 BOOLEAN acpi_DeviceIsPresent(device_t dev); 376 BOOLEAN acpi_BatteryIsPresent(device_t dev); 377 ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, 378 ACPI_HANDLE *result); 379 ACPI_STATUS acpi_GetProperty(device_t dev, ACPI_STRING propname, 380 const ACPI_OBJECT **value); 381 ACPI_BUFFER *acpi_AllocBuffer(int size); 382 ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp, 383 UINT32 *number); 384 ACPI_STATUS acpi_GetInteger(ACPI_HANDLE handle, char *path, 385 UINT32 *number); 386 ACPI_STATUS acpi_SetInteger(ACPI_HANDLE handle, char *path, 387 UINT32 number); 388 ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj, 389 void (*func)(ACPI_OBJECT *comp, void *arg), void *arg); 390 ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index, 391 ACPI_RESOURCE **resp); 392 ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf, 393 ACPI_RESOURCE *res); 394 UINT64 acpi_DSMQuery(ACPI_HANDLE h, const uint8_t *uuid, 395 int revision); 396 ACPI_STATUS acpi_EvaluateDSM(ACPI_HANDLE handle, const uint8_t *uuid, 397 int revision, UINT64 function, ACPI_OBJECT *package, 398 ACPI_BUFFER *out_buf); 399 ACPI_STATUS acpi_EvaluateDSMTyped(ACPI_HANDLE handle, 400 const uint8_t *uuid, int revision, UINT64 function, 401 ACPI_OBJECT *package, ACPI_BUFFER *out_buf, 402 ACPI_OBJECT_TYPE type); 403 ACPI_STATUS acpi_EvaluateOSC(ACPI_HANDLE handle, uint8_t *uuid, 404 int revision, int count, uint32_t *caps_in, 405 uint32_t *caps_out, bool query); 406 ACPI_STATUS acpi_OverrideInterruptLevel(UINT32 InterruptNumber); 407 ACPI_STATUS acpi_SetIntrModel(int model); 408 int acpi_ReqSleepState(struct acpi_softc *sc, int state); 409 int acpi_AckSleepState(struct apm_clone_data *clone, int error); 410 ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state); 411 int acpi_wake_set_enable(device_t dev, int enable); 412 int acpi_parse_prw(ACPI_HANDLE h, struct acpi_prw_data *prw); 413 ACPI_STATUS acpi_Startup(void); 414 void acpi_UserNotify(const char *subsystem, ACPI_HANDLE h, 415 uint8_t notify); 416 int acpi_bus_alloc_gas(device_t dev, int *type, int *rid, 417 ACPI_GENERIC_ADDRESS *gas, struct resource **res, 418 u_int flags); 419 void acpi_walk_subtables(void *first, void *end, 420 acpi_subtable_handler *handler, void *arg); 421 BOOLEAN acpi_has_hid(ACPI_HANDLE handle); 422 int acpi_MatchHid(ACPI_HANDLE h, const char *hid); 423 #define ACPI_MATCHHID_NOMATCH 0 424 #define ACPI_MATCHHID_HID 1 425 #define ACPI_MATCHHID_CID 2 426 427 static __inline bool 428 acpi_HasProperty(device_t dev, ACPI_STRING propname) 429 { 430 431 return ACPI_SUCCESS(acpi_GetProperty(dev, propname, NULL)); 432 } 433 434 struct acpi_parse_resource_set { 435 void (*set_init)(device_t dev, void *arg, void **context); 436 void (*set_done)(device_t dev, void *context); 437 void (*set_ioport)(device_t dev, void *context, uint64_t base, 438 uint64_t length); 439 void (*set_iorange)(device_t dev, void *context, uint64_t low, 440 uint64_t high, uint64_t length, uint64_t align); 441 void (*set_memory)(device_t dev, void *context, uint64_t base, 442 uint64_t length); 443 void (*set_memoryrange)(device_t dev, void *context, uint64_t low, 444 uint64_t high, uint64_t length, uint64_t align); 445 void (*set_irq)(device_t dev, void *context, uint8_t *irq, 446 int count, int trig, int pol); 447 void (*set_ext_irq)(device_t dev, void *context, uint32_t *irq, 448 int count, int trig, int pol); 449 void (*set_drq)(device_t dev, void *context, uint8_t *drq, 450 int count); 451 void (*set_start_dependent)(device_t dev, void *context, 452 int preference); 453 void (*set_end_dependent)(device_t dev, void *context); 454 }; 455 456 extern struct acpi_parse_resource_set acpi_res_parse_set; 457 458 int acpi_identify(void); 459 void acpi_config_intr(device_t dev, ACPI_RESOURCE *res); 460 #ifdef INTRNG 461 int acpi_map_intr(device_t dev, u_int irq, ACPI_HANDLE handle); 462 #endif 463 ACPI_STATUS acpi_lookup_irq_resource(device_t dev, int rid, 464 struct resource *res, ACPI_RESOURCE *acpi_res); 465 ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle, 466 struct acpi_parse_resource_set *set, void *arg); 467 468 /* ACPI event handling */ 469 UINT32 acpi_event_power_button_sleep(void *context); 470 UINT32 acpi_event_power_button_wake(void *context); 471 UINT32 acpi_event_sleep_button_sleep(void *context); 472 UINT32 acpi_event_sleep_button_wake(void *context); 473 474 #define ACPI_EVENT_PRI_FIRST 0 475 #define ACPI_EVENT_PRI_DEFAULT 10000 476 #define ACPI_EVENT_PRI_LAST 20000 477 478 typedef void (*acpi_event_handler_t)(void *, int); 479 480 EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t); 481 EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t); 482 EVENTHANDLER_DECLARE(acpi_acad_event, acpi_event_handler_t); 483 EVENTHANDLER_DECLARE(acpi_video_event, acpi_event_handler_t); 484 485 /* Device power control. */ 486 ACPI_STATUS acpi_pwr_wake_enable(ACPI_HANDLE consumer, int enable); 487 ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state); 488 acpi_pwr_for_sleep_t acpi_device_pwr_for_sleep; 489 int acpi_set_powerstate(device_t child, int state); 490 491 /* APM emulation */ 492 void acpi_apm_init(struct acpi_softc *); 493 494 /* Misc. */ 495 static __inline struct acpi_softc * 496 acpi_device_get_parent_softc(device_t child) 497 { 498 device_t parent; 499 500 parent = device_get_parent(child); 501 if (parent == NULL) 502 return (NULL); 503 return (device_get_softc(parent)); 504 } 505 506 static __inline int 507 acpi_get_verbose(struct acpi_softc *sc) 508 { 509 if (sc) 510 return (sc->acpi_verbose); 511 return (0); 512 } 513 514 char *acpi_name(ACPI_HANDLE handle); 515 int acpi_avoid(ACPI_HANDLE handle); 516 int acpi_disabled(char *subsys); 517 int acpi_get_acpi_device_path(device_t bus, device_t child, 518 const char *locator, struct sbuf *sb); 519 int acpi_machdep_init(device_t dev); 520 void acpi_install_wakeup_handler(struct acpi_softc *sc); 521 int acpi_sleep_machdep(struct acpi_softc *sc, int state); 522 int acpi_wakeup_machdep(struct acpi_softc *sc, int state, 523 int sleep_result, int intr_enabled); 524 int acpi_table_quirks(int *quirks); 525 int acpi_machdep_quirks(int *quirks); 526 int acpi_pnpinfo(ACPI_HANDLE handle, struct sbuf *sb); 527 528 uint32_t hpet_get_uid(device_t dev); 529 530 /* Battery Abstraction. */ 531 struct acpi_battinfo; 532 533 int acpi_battery_register(device_t dev); 534 int acpi_battery_remove(device_t dev); 535 int acpi_battery_get_units(void); 536 int acpi_battery_get_info_expire(void); 537 int acpi_battery_bst_valid(struct acpi_bst *bst); 538 int acpi_battery_bix_valid(struct acpi_bix *bix); 539 int acpi_battery_get_battinfo(device_t dev, 540 struct acpi_battinfo *info); 541 542 /* Embedded controller. */ 543 void acpi_ec_ecdt_probe(device_t); 544 545 /* AC adapter interface. */ 546 int acpi_acad_get_acline(int *); 547 548 /* Package manipulation convenience functions. */ 549 #define ACPI_PKG_VALID(pkg, size) \ 550 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \ 551 (pkg)->Package.Count >= (size)) 552 #define ACPI_PKG_VALID_EQ(pkg, size) \ 553 ((pkg) != NULL && (pkg)->Type == ACPI_TYPE_PACKAGE && \ 554 (pkg)->Package.Count == (size)) 555 int acpi_PkgInt(ACPI_OBJECT *res, int idx, UINT64 *dst); 556 int acpi_PkgInt32(ACPI_OBJECT *res, int idx, uint32_t *dst); 557 int acpi_PkgInt16(ACPI_OBJECT *res, int idx, uint16_t *dst); 558 int acpi_PkgStr(ACPI_OBJECT *res, int idx, void *dst, size_t size); 559 int acpi_PkgGas(device_t dev, ACPI_OBJECT *res, int idx, int *type, 560 int *rid, struct resource **dst, u_int flags); 561 int acpi_PkgFFH_IntelCpu(ACPI_OBJECT *res, int idx, int *vendor, 562 int *class, uint64_t *address, int *accsize); 563 ACPI_HANDLE acpi_GetReference(ACPI_HANDLE scope, ACPI_OBJECT *obj); 564 565 /* 566 * Base level for BUS_ADD_CHILD. Special devices are added at orders less 567 * than this, and normal devices at or above this level. This keeps the 568 * probe order sorted so that things like sysresource are available before 569 * their children need them. 570 */ 571 #define ACPI_DEV_BASE_ORDER 100 572 573 /* Default maximum number of tasks to enqueue. */ 574 #ifndef ACPI_MAX_TASKS 575 #define ACPI_MAX_TASKS MAX(32, MAXCPU * 4) 576 #endif 577 578 /* Default number of task queue threads to start. */ 579 #ifndef ACPI_MAX_THREADS 580 #define ACPI_MAX_THREADS 3 581 #endif 582 583 /* Use the device logging level for ktr(4). */ 584 #define KTR_ACPI KTR_DEV 585 586 SYSCTL_DECL(_debug_acpi); 587 588 /* 589 * Parse and use proximity information in SRAT and SLIT. 590 */ 591 int acpi_pxm_init(int ncpus, vm_paddr_t maxphys); 592 void acpi_pxm_parse_tables(void); 593 void acpi_pxm_set_mem_locality(void); 594 void acpi_pxm_set_cpu_locality(void); 595 int acpi_pxm_get_cpu_locality(int apic_id); 596 int acpi_pxm_parse(device_t dev); 597 598 /* 599 * Map a PXM to a VM domain. 600 * 601 * Returns the VM domain ID if found, or -1 if not found / invalid. 602 */ 603 int acpi_map_pxm_to_vm_domainid(int pxm); 604 bus_get_cpus_t acpi_get_cpus; 605 606 #ifdef __aarch64__ 607 /* 608 * ARM specific ACPI interfaces, relating to IORT table. 609 */ 610 int acpi_iort_map_pci_msi(u_int seg, u_int rid, u_int *xref, u_int *devid); 611 int acpi_iort_map_pci_smmuv3(u_int seg, u_int rid, u_int *xref, u_int *devid); 612 int acpi_iort_its_lookup(u_int its_id, u_int *xref, int *pxm); 613 int acpi_iort_map_named_msi(const char *devname, u_int rid, u_int *xref, 614 u_int *devid); 615 int acpi_iort_map_named_smmuv3(const char *devname, u_int rid, u_int *xref, 616 u_int *devid); 617 #endif 618 #endif /* _KERNEL */ 619 #endif /* !_ACPIVAR_H_ */ 620